226 to 250 of 419 FIX Protocol Jobs in London

E-Trading Java Developer, Financial services Our client, a global financial services group, are seeking an experienced Java developer with a solid understanding of Fixed Income markets, cash and derivatives and e-trading. This role will require a senior Java More ❯

E-Trading Java Developer, Financial services Our client, a global financial services group, are seeking an experienced Java developer with a solid understanding of Fixed Income markets, cash and derivatives and e-trading. This role will require a senior Java More ❯

E-Trading Java Developer, Financial services Our client, a global financial services group, are seeking an experienced Java developer with a solid understanding of Fixed Income markets, cash and derivatives and e-trading. This role will require a senior Java More ❯

recovery testing. Software engineers are fully involved in the testing process, driving much of the testing at all stages. Experience in trading system architecture, exchange gateway connectivity (binary and FIX), market data generation and ingestion, high throughput, low latency systems. You take a pragmatic approach to developing clean solutions to complex problems. Understanding of algorithms, data structures, databases and More ❯

Experience building high-performance, low-latency systems on Linux platforms Proficiency in Python for tooling and scripting Solid understanding of Linux systems, including debugging and performance tuning Experience with FIX protocol and/or other exchange connectivity protocols Strong analytical and problem-solving skills Experience in front-office trading environments is highly desirable Location: London (Hybrid – 3 days More ❯

Experience building high-performance, low-latency systems on Linux platforms Proficiency in Python for tooling and scripting Solid understanding of Linux systems, including debugging and performance tuning Experience with FIX protocol and/or other exchange connectivity protocols Strong analytical and problem-solving skills Experience in front-office trading environments is highly desirable Location: London (Hybrid – 3 days More ❯

skills . Communicate effectively with both technical and non-technical colleagues. Required Technical Skills: Strong programming skills in Python or another scripting language Experience with SQL databases Knowledge of FIX Protocol Familiarity with DevOps practices, CI/CD pipelines, and automation tools Why Join? Work in a prestigious and highly profitable hedge fund , offering some of the best More ❯

or related fields. At least 8 years of experience in financial markets, derivatives, or trading technology. Deep understanding of OTC Options RFQ workflows and electronic trading platforms. Experience with FIX protocol, CitiVelocity, and structured product booking mechanisms. Proficiency in business analysis techniques, requirement gathering, and stakeholder communication. Ability to work in fast-paced environments and collaborate effectively with More ❯

looking for: Commercial experience with financial instruments and markets (equities, futures, options, forex) and understanding of historical data usage in algorithmic trading Familiarity with market data formats (MDP, ITCH, FIX, SWIFT, proprietary exchange APIs) and market data providers Strong programming skills in Python (Go/Rust is a nice to have) Experience with ETL processes and data pipeline architecture More ❯

looking for: Commercial experience with financial instruments and markets (equities, futures, options, forex) and understanding of historical data usage in algorithmic trading Familiarity with market data formats (MDP, ITCH, FIX, SWIFT, proprietary exchange APIs) and market data providers Strong programming skills in Python (Go/Rust is a nice to have) Experience with ETL processes and data pipeline architecture More ❯

looking for: Commercial experience with financial instruments and markets (equities, futures, options, forex) and understanding of historical data usage in algorithmic trading Familiarity with market data formats (MDP, ITCH, FIX, SWIFT, proprietary exchange APIs) and market data providers Strong programming skills in Python (Go/Rust is a nice to have) Experience with ETL processes and data pipeline architecture More ❯

looking for: Commercial experience with financial instruments and markets (equities, futures, options, forex) and understanding of historical data usage in algorithmic trading Familiarity with market data formats (MDP, ITCH, FIX, SWIFT, proprietary exchange APIs) and market data providers Strong programming skills in Python (Go/Rust is a nice to have) Experience with ETL processes and data pipeline architecture More ❯

forwards, options, and market conventions. Proficiency in supporting and troubleshooting Windows applications. Solid understanding of database concepts and SQL query language. Strong knowledge of AWS/Azure. Familiarity with FIX protocol and experience with FIX connectivity troubleshooting. Excellent problem-solving skills and ability to work well under pressure in a fast-paced trading environment. Effective communication skills More ❯

trading platforms. Strong documentation and requirements gathering skills, with a pragmatic approach to technical detail. Comfortable liaising across business, technical, and client-facing teams to drive delivery. Knowledge of FIX protocol, microservices, or cloud-native architectures is advantageous. This is an exciting opportunity to shape cutting-edge trading software used by top-tier financial institutions, while working at More ❯

play a pivotal role in managing a team of expert low-latency Java developers. Your expertise will be crucial in designing and implementing optimized micro-services, matching engines, and FIX flows, all while leveraging your deep understanding of trading products. Key Responsibilities Help architect our trading system, ensuring it meets the highest standards of performance and reliability. Work closely More ❯

traders, developers, and network engineers to troubleshoot live issues and optimise trading operations. Build, maintain, and document proactive alerting systems and health checks for internal and external connectivity (e.g., FIX, REST APIs). Drive operational excellence through robust incident management, process improvement, and knowledge-sharing across regions. Play a key role in onboarding new trading desks, products, and exchanges … trading systems in a Python and Linux-heavy environment. Strong knowledge of the trade lifecycle in one or more asset classes (e.g., FX, Commodities, Equities). Proven expertise in FIX protocol, trading workflows, and exchange connectivity. Skilled in scripting for automation (Python, Bash) and familiar with tools like Ansible and Geneos. Experience with relational databases (Postgres, Sybase, Oracle More ❯

with engineering teams on systems design, integration, and architecture. Familiarity with asset classes such as Equities, Futures, Options, or Fixed Income. Excellent documentation and stakeholder communication skills. Exposure to FIX protocol This is a unique chance to join a high-performance team where your technical and analytical expertise will directly impact global trading strategies. If you’re ready More ❯

with engineering teams on systems design, integration, and architecture. Familiarity with asset classes such as Equities, Futures, Options, or Fixed Income. Excellent documentation and stakeholder communication skills. Exposure to FIX protocol This is a unique chance to join a high-performance team where your technical and analytical expertise will directly impact global trading strategies. If you’re ready More ❯

with engineering teams on systems design, integration, and architecture. Familiarity with asset classes such as Equities, Futures, Options, or Fixed Income. Excellent documentation and stakeholder communication skills. Exposure to FIX protocol This is a unique chance to join a high-performance team where your technical and analytical expertise will directly impact global trading strategies. If you’re ready More ❯

with engineering teams on systems design, integration, and architecture. Familiarity with asset classes such as Equities, Futures, Options, or Fixed Income. Excellent documentation and stakeholder communication skills. Exposure to FIX protocol This is a unique chance to join a high-performance team where your technical and analytical expertise will directly impact global trading strategies. If you’re ready More ❯

with engineering teams on systems design, integration, and architecture. Familiarity with asset classes such as Equities, Futures, Options, or Fixed Income. Excellent documentation and stakeholder communication skills. Exposure to FIX protocol This is a unique chance to join a high-performance team where your technical and analytical expertise will directly impact global trading strategies. If you’re ready More ❯

Good knowledge of Windows Server, Unix, and SQL (both in a physical and Cloud environment) • Experience of front-to-back trading lifecycles across equities and derivatives products • Familiarity with FIX protocol and Electronic Execution platforms We love hearing from anyone inspired to build a better future with us. If you're excited about the role or working at More ❯

innovation. Key Qualifications: Proven experience in trade flow or trading application support. Proficient in Linux operating systems. Strong scripting skills in Bash and Python. Experience with SQL Experience with FIX protocol Bachelor's Degree in Computer Science, Engineering, or a related field. Highly detail-oriented with excellent problem-solving skills and a proactive mindset. Strong communication skills to More ❯

Test cases, Test data etc. Ability to understand complex functional requirements and design test cases. Skilled in writing test cases based on requirement document or specification document. Familiarity with FIX protocol is added plus. Should be hands on with basic Python Programming or willingness to learn. Performance testing and should be able to publish performance results using PowerBI More ❯

FX or other electronic trading environments. Key Responsibilities: Design, develop, and maintain high-performance C++17+ trading systems for FX spot, forwards, and NDFs. Build and optimise market connectivity components (FIX, proprietary protocols) and order management systems. Collaborate directly with traders and quants to implement trading strategies and pricing models. Ensure system reliability, scalability, and ultra-low latency under high … on performance, concurrency, and low-latency design. Experience in front office or trading environments, ideally within FX or other liquid asset classes. Deep understanding of networking, messaging protocols (e.g., FIX), and exchange connectivity. Familiarity with Linux systems, performance profiling tools, and real-time debugging. Knowledge of market microstructure, order types, and execution logic. Please apply for more info More ❯